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Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Twin-crystal of chrysoberyl
Inclusion of apatite in ruby from Tanzania
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Stress fissure («sun spangle») in baltic amber
Agate from Reichweiler, Germany
Midge included in amber from the Baltic coast, polarised light

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